Stepan Goncharik confessed in the murder of Yevgenia Silina in June 2010, and her 16-year-old daughter in January 2011

MOSCOW, February 11. /ITAR-TASS/. Prosecution demanded 20 years in prison for Stepan Goncharik found guilty by jurors of murdering his wife and stepdaughter, Moscow City Court spokeswoman Ulyana Solopova told Itar-Tass on Tuesday.

"During the discussion of the verdict, the prosecutor demanded 20 years for Goncharik in a maximum security penitentiary," Solopova said.